11. Reading journal articles can be challenging for students, as they are often technical in nature. A high school that prides itself on preparing students for college wants to purchase journals that are written at a level accessible to students. The school librarian recruits four students with varying academic ability to read articles from four different journals and rates their readability from 1 (very difficult to read and understand) to 7 (very easy to read and understand). Some hypothetical data are shown in the table. Journal 1 Journal 2 Journal 3 Journal 4 2 3 14 15 3 3 5 4 14 3 16 a. Complete all steps of hypothesis testing. Be sure to complete the source table when calculating the F ratio